Table 4 Comparison of sound levels between different ICU units and shifts
Type of ICU | Global ICU stay | Morning shift | Afternoon shift | Night shift |
|---|---|---|---|---|
General ICU | ||||
1 | 62.95 ± 1.89 | 64.08 ± 2.99 | 62.66 ± 2.18 | 62.12 ± 1.10 |
2 | 64.63 ± 2.36 | 66.40 ± 3.25 | 64.00 ± 1.56 | 63.50 ± 2.26 |
3 | 60.41 ± 5.22 | 60.92 ± 5.24 | 60.92 ± 6.06 | 59.40 ± 4.40 |
4 | 63.63 ± 1.03 | 64.52 ± 1.97 | 64.20 ± 1.04 | 62.17 ± 0.88 |
5 | 59.56 ± 7.47 | 62.22 ± 1.79 | 58.54 ± 10.22 | 57.92 ± 10.91 |
6 | 61.66 ± 3.30 | 62.90 ± 1.63 | 61.70 ± 3.61 | 60.40 ± 2.59 |
7 | 63.20 ± 0.83 | 63.24 ± 1.49 | 64.02 ± 1.80 | 62.34 ± 1.15 |
8 | 60.80 ± 0.52 | 60.75 ± 0.64 | 61.40 ± 2.55 | 60.25 ± 3.46 |
Step-down unit | ||||
9 | 61.56 ± 1.88 | 60.95 ± 3.28 | 61.60 ± 1.83 | 62.15 ± 0.79 |
10 | 61.56 ± 0.91 | 60.60 ± 1.21 | 62.48 ± 1.90 | 61.62 ± 1.02 |
11 | 63.43 ± 2.40 | 61.95 ± 1.57 | 62.48 ± 1.27 | 65.86 ± 6.42 |
12 | 63.86 ± 1.65 | 63.52 ± 2.55 | 64.00 ± 1.36 | 64.06 ± 2.19 |
13 | 65.15 ± 1.93 | 64.22 ± 1.06 | 65.48 ± 2.79 | 65.76 ± 3.17 |
14 | 62.02 ± 0.32 | 62.11 ± 0.56 | 62.23 ± 2.57 | 61.71 ± 2.06 |
15 | 61.16 ± 1.11 | 61.33 ± 2.29 | 61.65 ± 1.59 | 60.50 ± 1.40 |
16 | 60.62 ± 2.12 | 60.25 ± 2.94 | 60.95 ± 1.99 | 60.68 ± 3.32 |
Total | 62.25 ± 2.93 | 62.33 ± 2.62 | 62.38 ± 3.60 | 62.03 ± 4.23 |